<template>
	<view class="goods-item">
		<!-- 商品左侧图片区域 -->
		<view class="goods-item-left">
      <radio :checked="goods.goods_state" color="#C00000" v-if="showRadio" @click="radioClickHandler"></radio>
			<image :src="goods.goods_small_logo || defaultPic" class="goods-pic"></image>
		</view>
		<!-- 商品右侧信息区域 -->
		<view class="goods-item-right">
			<!-- 商品标题 -->
			<view class="goods-name">{{goods.goods_name}}</view>
			<view class="goods-info-box">
				<!-- 商品价格 -->
				<view class="goods-price">￥{{goods.goods_price | tofixed}}</view>
        <uni-number-box :min="1" :value="goods.goods_count" v-if="showNum" 
        @change="numChangeHandler"></uni-number-box>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		name: "my-goods",
		// 定义 props 属性，用来接收外界传递到当前组件的数据
		props: {
			goods: {
				type: Object,
				defaul: {},
			},
      showRadio:{
        type: Boolean,
        default:false,
      },
      showNum: {
      	type: Boolean,
      	default: false,
       },
		},
		data() {
			return {
				// 默认的空图片
				defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png'
			};
		},
		filters: {
			// 把数字处理为带两位小数点的数字
			tofixed(num) {
				return Number(num).toFixed(2)
			}
		},
    methods: {
    	radioClickHandler() {
    		this.$emit('radio-change', {
    			goods_id: this.goods.goods_id,
    			goods_state: !this.goods.goods_state
    		})
    	},
    	numChangeHandler(val) {
    		// 通过 this.$emit() 触发外界通过 @ 绑定的 num-change 事件
    		this.$emit('num-change', {
    			goods_id: this.goods.goods_id,
    			goods_count: +val
	      })
      }
    }
  }
</script>

<style lang="scss">
	.goods-item {
    width: 750px;
    box-sizing: border-box;
		display: flex;
		padding: 10px 5px;
		border-bottom: 1px solid #f0f0f0;

		.goods-item-left {
			margin-right: 5px;
      display: flex;
      justify-content: space-between;
      align-items: center;

			.goods-pic {
				width: 100px;
				height: 100px;
				display: block;
			}
		}

		.goods-item-right {
			display: flex;
      flex: 1;
			flex-direction: column;
			justify-content: space-between;

			.goods-name {
				font-size: 13px;
			}
      
      .goods-info-box {
      	display: flex;
      	align-items: center;
      	justify-content: space-between;

			.goods-price {
				font-size: 16px;
				color: #c00000;
			}
		}
	}
  
  }
</style>